There was an isolated issue when attempting to access the MP3 for certain people in the NY area, myself included. The issue has been resolved now, so if you were encountering problems accessing the MP3 version, you shouldn't have any problems now.

Darth Skeptical is COMPLETELY wrong about the Oval Office. Here is a picture of it from the Nixon years, with the presidential seal (which he said wasn't there) and lots of other things looking very much like the Doctor Who set:

Whether or not Nixon's office was accurate in the two episodes or not, it wasn't that out of step for me or probably most to notice that it was wrong. It certainly didn't affect my enjoyment of the two episodes. I have yet to re-watch the two episodes since our live review show, so I will have to pay closer attention to the Oval Office set the next time I watch it.